Login / Signup

Learn Languages Through Reading

Transform any book into your personal language learning tool. Simply underline unfamiliar words, snap a photo, and let Underlined create your personalized study materials.

Try Now - Free Login

How It Works

[Image: Person underlining words in a physical book with a pen or highlighter]

1. Mark Unknown Words

As you read, simply underline words and phrases you don't know in your book.

[Image: Smartphone taking a photo of a book page with underlined words]

2. Capture with Your Phone

Take pictures of the pages using our app. Our AI automatically detects your underlined words.

[Image: Flashcards with translations and spaced repetition indicators]

3. Learn Efficiently

Review automatically generated flashcards with translations, powered by spaced repetition.

Simple Pricing

Free Tier

0$

Perfect for casual learners

  • ✓ 30 pages per month
  • ✓ Basic flashcard features
  • ✓ Export to Anki
Start Free

Premium

$5

For serious language learners

  • ✓ 2000 pages per month
  • ✓ Advanced analytics
  • ✓ Priority support
Go Premium

Bring Your Own Key

Free

For tech-savvy users

  • ✓ Unlimited pages
  • ✓ Use your OpenAI API key
  • ✓ Full control over costs
Get Started